<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    body,
    html {
      margin: 0;
      padding: 0;
      width: 100%;
      height: 100%;
      background: #000
    }

    .csex-main-error {
      width: 100%;
      height: 100%;
      visibility: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      flex-direction: column
    }

    .csex-main-error p {
      font-size: 16px;
      color: #fff;
      line-height: 21px;
      margin-top: 24px
    }

    .csex-main-error a {
      color: #fff;
      cursor: pointer;
      border-radius: 30px;
      border: 1px solid rgba(255, 255, 255, .5);
      width: 104px;
      text-align: center;
      font-size: 16px;
      line-height: 40px
    }
  </style>
</head>

<body>

  <div class="csex-main-error">
    <p>请检查网络或尝试刷新</p>
    <a id="csex-load">刷新</a>
  </div>
</body>

</html>